131791232

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{16879}}^1$

素因数の和:16954

約数の個数: 32

約数和(自身を含む): 266872800

約数和(自身を除く): 135081568

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 3904, 7808, 16879, 33758, 67516, 135032, 270064, 540128, 1029619, 1080256, 2059238, 2160512, 4118476, 8236952, 16473904, 32947808, 65895616, 131791232]

約数ペア:

[(1, 131791232), (2, 65895616), (4, 32947808), (8, 16473904), (16, 8236952), (32, 4118476), (61, 2160512), (64, 2059238), (122, 1080256), (128, 1029619), (244, 540128), (488, 270064), (976, 135032), (1952, 67516), (3904, 33758), (7808, 16879)]